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Learn how an engine is built on the erg

Every claim here has a source. Every rule is labelled as ours. Every made-up number is marked EXAMPLE. The same lessons we post on Instagram, with the slide text, the transcript and the sources in full.

Six chapters

  1. 01Chapter

    The engine and the erg

    What the engine is, and the machine you build it on.

    1 post so far

  2. 02Chapter

    Measuring the engine

    Four tests, one for each part, and how to pace them.

    Opens as the posts go out

  3. 03Chapter

    The rules, and why

    The rules we use, each with its reason.

    Opens as the posts go out

  4. 04Chapter

    Every machine

    Row, SkiErg and bike side by side.

    Opens as the posts go out

  5. 05Chapter

    Race and retest

    Racing, retesting and reading the change.

    Opens as the posts go out

  6. 06Chapter

    Keep the engine

    Holding what you have built.

    Opens as the posts go out

The library

1 post

How we write this

  • Every claim has a source, listed under each page.
  • A rule that is ours is marked OUR RULE. It is not a research finding.
  • A number we made up to show the maths is marked EXAMPLE or ILLUSTRATION.
  • Where we read a paper in our own way, it is marked OUR READING.
  • Found a mistake? Email hello@maxcals.com.

Nothing here is medical advice. The tests are maximal efforts: if you have a health condition or any doubt about training this hard, check with a doctor first, and stop if you feel unwell.